<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
	</head>
	<style type = "text/css">
		.area{
		font-size: 2vh;
		height: 20vh;
		width: 100%;
		
		}
	</style>
	<body>
		<textarea class="area" placeholder="分享新鲜事..."></textarea>
	</body>
</html>